APW7264
I2C Controlled 3A Single Cell USB Charger with Narrow VDC Power Path Management and USB OTG
Features
• High Efficiency 3A Switch Mode Charge
• High Integration
• Single Input USB-compliant/Adapter Charge
- Power Path Management
- Input Voltage and Current Limit Supports USB 2. 0
- Synchronous Switching MOSFETs
and USB 3. 0
- Integrated Current Sensing
- Input Current Limit: 100mA, 150mA, 500mA,
- Internal Loop Compensation
900mA, 1A, 1. 5A, 2A and 3A
• Safety
• 3. 9V - 6. 2V Input Operating Voltage Range
- Battery Temperature Sensing for Charging and
- Support Adapter with Input Voltage DPM Regulation
Discharging in OTG Mode
• USB OTG with Adjustable Output 4. 55V to 5. 5V at 1
- Battery Charging Safety Timer
A or 1. 5A
- Thermal Regulation and Thermal Shutdown
- Accurate +/- 15%
- Input System Over-Voltage Protection
- Hiccup Mode Overcurrent Protection
- MOSFET Over-Current Protection
• Narrow VDC (NVDC) Power Path Management
• Charge Status Outputs for LED or Host Processor
- Instant-on Works with No Battery or Deeply • Discharged Battery
Maximum Power Tracking capability by Input Voltage Regulation
- Ideal Diode Operation in Battery Supplement • 32µA Low Battery Leakage Current and Support
Mode
Shipping Mode
• 1. 5MHz Switching Frequency for Low Profile • TQFN 4x4 Package
Inductor
• Lead Free and Green Devices Available (RoHS
• Autonomous BatteryCharging with or without Host
Compliant)
Management
- Battery Charge Enable
- Battery Charge Preconditioning
- Charge Termination and Recharge • Accuracy
- +0. 5% Charge Voltage Regulation
Applications
• Tablet PC
- +7% Charge Current Regulation
• Smart Phone
- +7. 5% Input Current Regulation
• Portable Audio Speaker
- +3% Output Regulation in Boost Mode
• Portable Media Players
100 90
• Internet Devices
80
EFFICIENCY (%)
70
60
50
40
30
VBAT=3. 5V
20
VBAT=3. 8V
VBAT=4. 2V
10
0
0. 01
0. 1
1
10
IOUT (A)
ANPEC reserves the right to make changes to improve reliabi...
APW7264 PDF File
